1388891868

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{131}}^1$

素因数の和:257

約数の個数: 288

約数和(自身を含む): 4365123840

約数和(自身を除く): 2976231972

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 19, 21, 26, 28, 38, 39, 42, 49, 52, 57, 73, 76, 78, 84, 91, 98, 114, 131, 133, 146, 147, 156, 182, 196, 219, 228, 247, 262, 266, 273, 292, 294, 364, 393, 399, 438, 494, 511, 524, 532, 546, 588, 637, 741, 786, 798, 876, 917, 931, 949, 988, 1022, 1092, 1274, 1387, 1482, 1533, 1572, 1596, 1703, 1729, 1834, 1862, 1898, 1911, 2044, 2489, 2548, 2751, 2774, 2793, 2847, 2964, 3066, 3406, 3458, 3577, 3668, 3724, 3796, 3822, 4161, 4978, 5109, 5187, 5502, 5548, 5586, 5694, 6132, 6419, 6643, 6812, 6916, 7154, 7467, 7644, 8322, 9563, 9709, 9956, 10218, 10374, 10731, 11004, 11172, 11388, 11921, 12103, 12838, 13286, 14308, 14934, 16644, 17423, 18031, 19126, 19257, 19418, 19929, 20436, 20748, 21462, 23842, 24206, 25676, 26572, 28689, 29127, 29868, 32357, 34846, 35763, 36062, 36309, 38252, 38514, 38836, 39858, 42924, 46501, 47684, 48412, 52269, 54093, 57378, 58254, 64714, 66941, 67963, 69692, 71526, 72124, 72618, 77028, 79716, 83447, 93002, 97071, 104538, 108186, 114756, 116508, 121961, 124319, 126217, 129428, 133882, 135926, 139503, 143052, 145236, 166894, 181697, 186004, 194142, 200823, 203889, 209076, 216372, 226499, 243922, 248638, 250341, 252434, 267764, 271852, 279006, 333788, 363394, 365883, 372957, 378651, 388284, 401646, 407778, 452998, 468587, 487844, 497276, 500682, 504868, 545091, 558012, 679497, 726788, 731766, 745914, 757302, 803292, 815556, 870233, 883519, 905996, 937174, 1001364, 1090182, 1271879, 1358994, 1405761, 1463532, 1491828, 1514604, 1585493, 1740466, 1767038, 1874348, 2180364, 2362061, 2543758, 2610699, 2650557, 2717988, 2811522, 3170986, 3480932, 3534076, 3815637, 4724122, 4756479, 5087516, 5221398, 5301114, 5623044, 6091631, 6341972, 7086183, 7631274, 8903153, 9448244, 9512958, 10442796, 10602228, 12183262, 14172366, 15262548, 16534427, 17806306, 18274893, 19025916, 24366524, 26709459, 28344732, 33068854, 35612612, 36549786, 49603281, 53418918, 66137708, 73099572, 99206562, 106837836, 115740989, 198413124, 231481978, 347222967, 462963956, 694445934, 1388891868]

約数ペア:

[(1, 1388891868), (2, 694445934), (3, 462963956), (4, 347222967), (6, 231481978), (7, 198413124), (12, 115740989), (13, 106837836), (14, 99206562), (19, 73099572), (21, 66137708), (26, 53418918), (28, 49603281), (38, 36549786), (39, 35612612), (42, 33068854), (49, 28344732), (52, 26709459), (57, 24366524), (73, 19025916), (76, 18274893), (78, 17806306), (84, 16534427), (91, 15262548), (98, 14172366), (114, 12183262), (131, 10602228), (133, 10442796), (146, 9512958), (147, 9448244), (156, 8903153), (182, 7631274), (196, 7086183), (219, 6341972), (228, 6091631), (247, 5623044), (262, 5301114), (266, 5221398), (273, 5087516), (292, 4756479), (294, 4724122), (364, 3815637), (393, 3534076), (399, 3480932), (438, 3170986), (494, 2811522), (511, 2717988), (524, 2650557), (532, 2610699), (546, 2543758), (588, 2362061), (637, 2180364), (741, 1874348), (786, 1767038), (798, 1740466), (876, 1585493), (917, 1514604), (931, 1491828), (949, 1463532), (988, 1405761), (1022, 1358994), (1092, 1271879), (1274, 1090182), (1387, 1001364), (1482, 937174), (1533, 905996), (1572, 883519), (1596, 870233), (1703, 815556), (1729, 803292), (1834, 757302), (1862, 745914), (1898, 731766), (1911, 726788), (2044, 679497), (2489, 558012), (2548, 545091), (2751, 504868), (2774, 500682), (2793, 497276), (2847, 487844), (2964, 468587), (3066, 452998), (3406, 407778), (3458, 401646), (3577, 388284), (3668, 378651), (3724, 372957), (3796, 365883), (3822, 363394), (4161, 333788), (4978, 279006), (5109, 271852), (5187, 267764), (5502, 252434), (5548, 250341), (5586, 248638), (5694, 243922), (6132, 226499), (6419, 216372), (6643, 209076), (6812, 203889), (6916, 200823), (7154, 194142), (7467, 186004), (7644, 181697), (8322, 166894), (9563, 145236), (9709, 143052), (9956, 139503), (10218, 135926), (10374, 133882), (10731, 129428), (11004, 126217), (11172, 124319), (11388, 121961), (11921, 116508), (12103, 114756), (12838, 108186), (13286, 104538), (14308, 97071), (14934, 93002), (16644, 83447), (17423, 79716), (18031, 77028), (19126, 72618), (19257, 72124), (19418, 71526), (19929, 69692), (20436, 67963), (20748, 66941), (21462, 64714), (23842, 58254), (24206, 57378), (25676, 54093), (26572, 52269), (28689, 48412), (29127, 47684), (29868, 46501), (32357, 42924), (34846, 39858), (35763, 38836), (36062, 38514), (36309, 38252)]